@article{PismaZhETF.16.374,
    title = {Activationless Hopping Conductivity in Compensated Germanium},
    author = {Ionov, A. N. and Shlimak, I. S.},
    journal = {Письма в ЖЭТФ},
    volume = {16},
    issue = {7},
    pages = {374},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26907.shtml},
}